Warning

In a convenience store at a certain gas station, murders occur every once in a while. Is this a random event? Or a mysterious coincidence? After another murder occurred, a genius mathematician finally discovered that the secret to reversing fate was hidden in a series of numbers. He follows mysterious digital clues to uncover the truth and tries to save the life of the next victim, a ten-year-old boy. But as the date of the warning letter approaches, does he still have a chance to save a life?